<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
  <title>大事件-后台登录页</title>
  <link rel="stylesheet" type="text/css" href="css/reset.css" />
  <link rel="stylesheet" type="text/css" href="css/iconfont.css" />
  <link rel="stylesheet" type="text/css" href="css/main.css" />
  <!-- 引入bootstrap的css文件 -->
  <link rel="stylesheet" href="./libs/bootstrap/css/bootstrap.min.css" />
  <!-- 引入jq文件 -->
  <script src="./libs/jquery-1.12.4.min.js"></script>
  <!-- 引入bootstrap的js文件 -->
  <script src="./libs/bootstrap/js/bootstrap.min.js"></script>

</head>

<body>
  <div class="main_wrap">
    <div class="header">
      <a href="#" class="logo"><img src="images/logo.png" alt="" /></a>
      <div class="copyright">
        CopyRight © 2019 深圳百秀信息技术股份有限公司<br />All Rights Reserved
      </div>
    </div>

    <div class="login_form_con">
      <div class="login_title"></div>
      <form class="login_form">
        <i class="iconfont icon-user"></i>
        <i class="iconfont icon-key"></i>
        <input type="text" class="input_txt" placeholder="邮箱/手机号" />
        <input type="password" class="input_pass" placeholder="密码" />
        <input type="submit" class="input_sub" value="登 录" />
      </form>
    </div>
  </div>

  <div class="modal fade" tabindex="-1" role="dialog" id="myModal">
    <div class="modal-dialog" role="document">
      <div class="modal-content">
        <div class="modal-header">
          <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
          <h4 class="modal-title">温馨提示</h4>
        </div>
        <div class="modal-body">
          <p>One fine body&hellip;</p>
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-default" data-dismiss="modal">确认</button>
        </div>
      </div><!-- /.modal-content -->
    </div><!-- /.modal-dialog -->
  </div><!-- /.modal -->

  <script>
    $(function () {
      //1.给登录按钮设置点击事件
      $( '.input_sub' ).on( 'click',function( e ) {
        //阻断默认提交按钮刷新效果
        e.preventDefault()

        //2.获得用户名与密码
        let username = $( '.input_txt' ).val().trim()//清除左右空格
        let password = $( '.input_pass' ).val().trim()//清除左右空格
        //判断输入信息是否正确
        if( username == '' || password == '' ) {
          //alert( '请输入完整的信息')
          //调用模态框组件
          $( '.modal-body p' ).text( '请输入完整的信息！')
          $( '#myModal' ).modal()
          return
        }
        //3.发起 ajax 请求，验证用户信息
        $.ajax({
          type:'post',
          url:'http://localhost:8080/api/v1/admin/user/login',
          data : {
            username:username,
            password:password
          },
          success: function( backData ) {
            //console.log( backData );
            //alert( backData.msg)
            $( '.modal-body p' ).text( backData.msg)
            $( '#myModal' ).modal()

            $( '#myModal' ).on( 'hidden.bs.modal',function( e ) {
              if( backData.code == 200 ) {
                //将登录成功后台返回的 token 保存起来
                localStorage.setItem( 'token',backData.token )
              //4.如果登录成功，则跳转到后台首页
              window.location = './index.html'
            }else{
              //5.如果登录失败，则清空输入框
              $( '.input_txt' ).val( '' )
              $( '.input_pass' ).val( '' )
            }
            })
          }
        })
      })
    })
  </script>
</body>

</html>
